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The physical treatment includes water and wastewater collapsible, floatable solids in different sizes, dissolved organic / inorganic materials applied for the removal of gases and transactions.
Chemical TreatmentChemical treatment; water and wastewater treatment includes all methods that require the addition of chemicals.
Nowadays the fresh water recourses is getting exhausted by rapid population growth, redundant industrialization, increasing. drought andhigh consumption. Due to the increasing water demand to be recovered the permeate (waste water treatment outlet) water with advanced water treatment technologies become essential instead of discharge the permeate . to the nature .
After Biological /chemical waste water treatment process the released sewage sludge has to be removed according to “Solid Waste Regulations” for this reason the sludge is filtrated and sludge cake is removed to obtain water. If requested the Domestic sludge cakes can be considered as fertilize.
The aim of the biological treatment stage is to purify the settled sewage by removing dissolved organic material and suspended solids by settled biological flocs and decomposition of the inorganic compounds as gas.